<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>iframe框架</title>
</head>
<body>
	<iframe src="头部框架（副）.html"  style="width: 100%; height: 100px"></iframe>
	<iframe src="左侧框架（副）.html" style="float: left; width: 20%; height: 400px"></iframe>
	<iframe src="右侧框架（副）.html" style="width: 78%; height: 400px"></iframe>
</body>
</html>